What is the difference between undefined value and null value?
Submitted by: Administrator(i) Undefined value cannot be explicitly stated that is there is no keyword called undefined whereas null value has keyword called null
(ii) typeof undefined variable or property returns undefined whereas typeof null value returns object
Submitted by: Administrator
(ii) typeof undefined variable or property returns undefined whereas typeof null value returns object
Submitted by: Administrator
Read Online JavaScript Job Interview Questions And Answers
Top JavaScript Questions
| ☺ | How is JavaScript different from Java? |
| ☺ | What's Math Constants and Functions using JavaScript? |
| ☺ | How to embed JavaScript in a web page? |
| ☺ | How to hide JavaScript code from old browsers that don't run it? |
| ☺ | What are the ways to emit client-side JavaScript from server-side code in ASP. NET? |
Top Top World Wide Web Categories
| ☺ | Cascading Style Sheet CSS Interview Questions. |
| ☺ | HTML5 Interview Questions. |
| ☺ | Basic Internet Interview Questions. |
| ☺ | Domain Name System (DNS) Interview Questions. |
| ☺ | JavaScript Interview Questions. |
